Finding the Fourth Proportional to 382,759.63, 528,371.91 and 272,450.08
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Solution
The fourth proportional to 382,759.63, 528,371.91 and 272,450.08 is: 376,097.58
Step by Step Solution
- Step 1: Write the proportion equation
382,759.63 : 528,371.91 = 272,450.08 : x - Step 2: Convert to fraction form
382,759.63/528,371.91 = 272,450.08/x - Step 3: Cross multiply
382,759.63x = 528,371.91 × 272,450.08 - Step 4: Simplify right side
382,759.63x = 143,954,969,809.72 - Step 5: Solve for x
x = 143,954,969,809.72/382,759.63 - Step 6: Final answer
x = 376,097.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.